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Finding the Fourth Proportional to 30,982.26, 46,706.83 and 28,977.78

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Solution

The fourth proportional to 30,982.26, 46,706.83 and 28,977.78 is: 43,685.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,982.26 : 46,706.83 = 28,977.78 : x
  2. Step 2: Convert to fraction form
    30,982.26/46,706.83 = 28,977.78/x
  3. Step 3: Cross multiply
    30,982.26x = 46,706.83 × 28,977.78
  4. Step 4: Simplify right side
    30,982.26x = 1,353,460,244.24
  5. Step 5: Solve for x
    x = 1,353,460,244.24/30,982.26
  6. Step 6: Final answer
    x = 43,685.01

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.